A valleywide manhunt lasting about 55 hours came to a sudden end Friday morning with the arrest of the man authorities say shot and killed a 33-year-old Newman Police Department corporal. Gustavo Perez Arriaga, 32, was arrested in the small town of Lamont, just east of Bakersfield and about 200 miles from where he’s suspected of killing Cpl. Ronil Singh after a traffic stop early Wednesday morning in east Newman. Arriaga was on his way to Mexico, said Stanislaus County Sheriff Adam Christianson at a noon news conference Friday in Modesto as several of Singh’s grieving family members, along with...